[Tim Brewer]

Sal, I believe there was and is no exact location. None of them really work anyway, they're only for looks. Original cars either had either no mirror, or one located on the door, or located on the fender where we usually think they look best. Being that the Cobra really wasn't a factory designed car, and they were put together by hand, I don't believe they had perfect and exact build procedures like a production car. Thus why they say no two Cobra's are the same. I would just sit in the car and have someone hold the mirror on the fender until it is close to almost working as possible, mark it and attach it.
Oh well, that's what I think. Don't knock yourself out over it.
Tim